Multi-Configuration Distorted-Wave Approximation in Electron-Impact Ionization of Ar<sup>6+</sup>

Chin. Phys. Lett.

2005, Vol. 22

Issue (10): 2542-2545 DOI:

Original Articles

Multi-Configuration Distorted-Wave Approximation in Electron-Impact Ionization of Ar⁶⁺

ZENG Si-Liang;LI Ping;FANG Quan-Yu;QIU Yu-Bo;LI Yue-Ming;YAN Jun;WANG Jian-Guo

Key Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, PO Box 8009-57, Beijing 100088

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ZENG Si-Liang, LI Ping, FANG Quan-Yu et al 2005 Chin. Phys. Lett. 22 2542-2545

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Abstract A quasi-relativistic distorted-wave approximation is developed to investigate the direct electron-impact ionization processes, in which the configuration interactions are considered in the initial and final states of target. As an example, the direct detailed-level electron-impact ionization cross sections for the ground and low excited states of Ar⁶⁺(3s²⁺, 3p²⁺, 3s3d) are calculated in the energy range from 1.02 to 15I_th (I_th the ionization threshold). Comparison with the available data demonstrates that our results are reasonable. The effects of configuration interactions are discussed, and the validity of transformation principles by statistical weights between configuration-averaged and detailed-level electron-impact ionization cross sections is analysed.

Keywords: 34.80.Dp 34.80.Kw 34.50.Gb 34.50.Pi

Published: 01 October 2005

PACS:	34.80.Dp	(Atomic excitation and ionization)
	34.80.Kw
	34.50.Gb	(Electronic excitation and ionization of molecules)
	34.50.Pi

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I10/02542

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	ZENG Si-Liang
	LI Ping
	FANG Quan-Yu
	QIU Yu-Bo
	LI Yue-Ming
	YAN Jun
	WANG Jian-Guo

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